Examples with OHeartbeatTask com.orientechnologies.orient.server.distributed.impl.task.OHeartbeatTask used on opensource projects

Example 1 with OHeartbeatTask

use of com.orientechnologies.orient.server.distributed.impl.task.OHeartbeatTask in project orientdb by orientechnologies.

the class OClusterHealthChecker method checkServerInStall.

private void checkServerInStall() {
    if (manager.getNodeStatus() != ODistributedServerManager.NODE_STATUS.ONLINE)
        // ONLY ONLINE NODE CAN CHECK FOR OTHERS
        return;
    for (String dbName : manager.getMessageService().getDatabases()) {
        final ODistributedServerManager.DB_STATUS localNodeStatus = manager.getDatabaseStatus(manager.getLocalNodeName(), dbName);
        if (localNodeStatus != ODistributedServerManager.DB_STATUS.ONLINE)
            // ONLY ONLINE NODE/DB CAN CHECK FOR OTHERS
            continue;
        final List<String> servers = manager.getOnlineNodes(dbName);
        servers.remove(manager.getLocalNodeName());
        if (servers.isEmpty())
            continue;
        if (ODistributedServerLog.isDebugEnabled())
            ODistributedServerLog.debug(this, manager.getLocalNodeName(), servers.toString(), ODistributedServerLog.DIRECTION.OUT, "Sending heartbeat message to servers (db=%s)", dbName);
        try {
            final ODistributedResponse response = manager.sendRequest(dbName, null, servers, new OHeartbeatTask(), manager.getNextMessageIdCounter(), ODistributedRequest.EXECUTION_MODE.RESPONSE, null, null);
            final Object payload = response != null ? response.getPayload() : null;
            if (payload instanceof Map) {
                final Map<String, Object> responses = (Map<String, Object>) payload;
                servers.removeAll(responses.keySet());
            }
        } catch (ODistributedOperationException e) {
        // NO SERVER RESPONDED, THE SERVER COULD BE ISOLATED: SET ALL THE SERVER AS OFFLINE
        }
        for (String server : servers) {
            setDatabaseOffline(dbName, server);
        }
    }
}